directional attenuator
... directional antenna 定向天线 directional attenuator 定向衰减器 directional coalescence pattern 定向聚合模型(方式) ...
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定向耦合器式衰减器 directional-coupler attenuator
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此外,还介绍一个小型通用程序,它能对一些定向耦合器、平衡晶体管放大器以及电调衰减器等进行分析和优化设计。
Furthermore a small general program is also presented which is capable of analysing and optimizing a group of directional couplers, balanced transistor amplifiers and electrically tuned attenuators.
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